This document provides an introduction and overview of telemedicine, including its history, current uses, advantages, challenges, and status in India and the state of Rajasthan. It discusses how telemedicine allows patients to be examined, monitored, and treated remotely through technologies like video conferencing. Key advantages include improved access to specialist care in rural and remote areas. However, challenges include the lack of physical examination and issues around confidentiality, reimbursement, and accuracy of remote diagnoses. The document outlines several current telemedicine programs and networks in India, including a large initiative in Rajasthan connecting hospitals and medical colleges via satellite.